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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5310) MRAM should not normalize allocation request capabilities
Date Thu, 13 Jun 2013 15:21:20 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5310?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13682337#comment-13682337
] 

Tom White commented on MAPREDUCE-5310:
--------------------------------------

+1 As discussed in YARN-689, normalization of requests is a scheduler implementation artifact,
so should be done there (as it already is) and not in the AM.
                
> MRAM should not normalize allocation request capabilities
> ---------------------------------------------------------
>
>                 Key: MAPREDUCE-5310
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5310
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: applicationmaster
>    Affects Versions: 2.0.4-alpha
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>         Attachments: MAPREDUCE-5310.patch, MAPREDUCE-5310.patch
>
>
> The MRAM is assuming knowledge of the scheduler internals to normalize allocation request
capabilities.
> Per discussions in YARN-689 and YARN-769 it should not do that.

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